Date: Wed, 19 Mar 2014 12:53:42 +0100 From: Luigi Rizzo <rizzo@iet.unipi.it> To: Mark Delany <c2h@romeo.emu.st> Cc: "freebsd-net@freebsd.org" <freebsd-net@freebsd.org> Subject: Re: Minor nits with netmap(4) manpage Message-ID: <CA%2BhQ2%2Bhm269dvD=byvrQS7Dezb6avpNin0dnVYsBGNxN5m8pxg@mail.gmail.com> In-Reply-To: <20140319111638.94222.qmail@f5-external.bushwire.net> References: <20140319111638.94222.qmail@f5-external.bushwire.net>
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thanks for the suggestions we'll integrate them cheers luigi On Wed, Mar 19, 2014 at 12:16 PM, Mark Delany <c2h@romeo.emu.st> wrote: > (Luigi's page suggests posting here.) > > Very recent freebsd10 (r263256) > > 1) the manpage says "SEE TRANSPARENT MODE" but no such section > exists. > > 2) the manpage refers to NR_RING_NIC_SW when I think it means > NR_REG_NIC_SW. > > 3) No mention is made of access control. I think earlier documentation > suggested that you had to run as root, but now it appears to work > for any user that has rw access to /dev/netmap. Obvious I guess but > just mentioning that access is controlled by the file system, not > your uid. > > 4) epoll/kqueue has conflicting information. An early para says > "... and standard OS mechanisms such as select(2), poll(2), > epoll(2), kqueue(2)." > > But a later para says "epoll(2) and kqueue(2) are not supported on > netmap file descriptors.". > > > On the matter of transparent mode, it seems that all an application > has to do to have a packet proceed up into the host stack is set > NS_FORWARD in the ring flags. That's a super-nice feature as is netmap > in general. > > > Mark. > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscribe@freebsd.org" > -- -----------------------------------------+------------------------------- Prof. Luigi RIZZO, rizzo@iet.unipi.it . Dip. di Ing. dell'Informazione http://www.iet.unipi.it/~luigi/ . Universita` di Pisa TEL +39-050-2211611 . via Diotisalvi 2 Mobile +39-338-6809875 . 56122 PISA (Italy) -----------------------------------------+-------------------------------
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